Naphtha

Naphtha is a waste product resulting from melting Plastic at 159.85 °C, Isoresin at 100 °C, or Visco-Gel at 479.85 °C. It has a 1:1 conversion-ratio.

Usage

 * Naphtha is a quite decent liquid insulator, with Thermal Conductivity rivaled only by Ethanol and liquefied gasses, while at the same time having Heat Capacity, and temperature range slightly better than Petroleum.
 * Naphtha can be recycled into Natural Gas via Sour Gas-boiler.
 * Although the thermal conductivity of this liquid is too low to be of any use in heat exchanges, it can be used as coolant for metal refining, which does not involve the thermal conductivity of the liquid that is used for absorbing the heat from refining.
 * Before obtaining Naphtha itself, the best way to melt small amounts of Plastic for ease of retrieval later is to build a Plastic Tile next to a Thermo Aquatuner made of Steel in an insulated cavity, via diagonal tile-building. Preferably, there should be a Liquid Pump - also made of Steel - underneath the tile.
 * However, due to the low thermal conductivity of Plastic, it will take a long, long time for it to melt, even with the Aquatuner maintained at 300 degrees; attempting to melt more amounts of Plastic takes even longer. This is mainly due to the trapped gasses sapping away a lot of the heat.
 * After obtaining some Naphtha - preferably enough for one run with a Metal Refinery - running one segment of Radiant Liquid Pipe through a Plastic Tile that is in an insulated cavity works well; see the screenshot for illustration. Radiant Pipes have greatly amplified Thermal Conductivity, so the Tile will melt quickly.
 * In addition, cooling Naphtha with a Thermo Aquatuner does not involve its thermal conductivity either, so Naphtha can be used to dump heat into a steam-filled insulated cavity for a Steam Turbine to extract heat from.
 * However, if net energy gain is the intention, then the use of a Thermo Aquatuner already makes Naphtha an unsuitable choice; Petroleum is a better choice (and may be quicker to obtain thanks to the Oil Refinery).
 * Still, due to the mechanics of Thermal Conductivity, Radiant Liquid Piping running through the cavity can compensate for the low thermal conductivity of Naphtha. Naphtha has a better heat capacity by the way; see the screenshot to the side, and notice the steam-filled cavity at the top edge of the image.
 * The Spaced Out (DLC) also happens to put Oil biomes on another asteroid, so barring risky resource-rushing strategies, it might be a while before the player gets to have Petroleum.
 * Incidentally, in the case of accidents that lead to leaks of liquid or solid Naphtha, the low thermal conductivity and high viscosity makes clean-up easier than other liquids.

Trivia

 * Before the Tubular Upgrade, Naphtha, unlike other liquids, did not flow sideways, meaning it could be stacked in order to form perfect airlocks. This property was later moved to Visco-Gel.

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